| Cast |
| Donna Akersten |
Samantha the Cat/The Sheep (voice)
|
| Stuart Devenie |
Sebastian/Dr. Quack/Daisy the Cow/Sandy the Chicken (voice)
|
| Mark Hadlow |
Heidi/Robert/Barry the Bulldog (voice)
|
| Ross Jolly |
(voice)
|
| Brian Sergent |
Wynyard the Frog/Trevor the Rat/The Fly (voice)
|
| Peter Vere-Jones |
Bletch/Arfur the Worm (voice)
|
| Mark Wright |
Sid the Elephant/The Cockroach/Louie the Fish (voice)
|
| Danny Mulheron |
Heidi the Hippo
|
| Doug Wren |
Bletch (voice) (uncredited)
|
